FUNDAMENTALS OF MICROWAVE PHOTONICS WILEY SERIES IN MICROWAVE AND OPTICAL ENGINEERING KAI CHANG, Editor Texas A&M University A complete list of the titles in this series appears at the end of this volume. FUNDAMENTALS OF MICROWAVE PHOTONICS VINCENT J. URICK Jr. JASON D. McKINNEY KEITH J. WILLIAMS Copyright©2015byJohnWiley&Sons,Inc.Allrightsreserved PublishedbyJohnWiley&Sons,Inc.,Hoboken,NewJersey PublishedsimultaneouslyinCanada Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinany formorbyanymeans,electronic,mechanical,photocopying,recording,scanning,orotherwise, exceptaspermittedunderSection107or108ofthe1976UnitedStatesCopyrightAct,without eitherthepriorwrittenpermissionofthePublisher,orauthorizationthroughpaymentofthe appropriateper-copyfeetotheCopyrightClearanceCenter,Inc.,222RosewoodDrive,Danvers, MA01923,(978)750-8400,fax(978)750-4470,oronthewebatwww.copyright.com.Requeststo thePublisherforpermissionshouldbeaddressedtothePermissionsDepartment,JohnWiley& Sons,Inc.,111RiverStreet,Hoboken,NJ07030,(201)748-6011,fax(201)748-6008,oronlineat http://www.wiley.com/go/permissions. LimitofLiability/DisclaimerofWarranty:Whilethepublisherandauthorhaveusedtheirbest effortsinpreparingthisbook,theymakenorepresentationsorwarrantieswithrespecttothe accuracyorcompletenessofthecontentsofthisbookandspecificallydisclaimanyimplied warrantiesofmerchantabilityorfitnessforaparticularpurpose.Nowarrantymaybecreatedor extendedbysalesrepresentativesorwrittensalesmaterials.Theadviceandstrategiescontained hereinmaynotbesuitableforyoursituation.Youshouldconsultwithaprofessionalwhere appropriate.Neitherthepublishernorauthorshallbeliableforanylossofprofitoranyother commercialdamages,includingbutnotlimitedtospecial,incidental,consequential,orother damages. Forgeneralinformationonourotherproductsandservicesorfortechnicalsupport,please contactourCustomerCareDepartmentwithintheUnitedStatesat(800)762-2974,outsidethe UnitedStatesat(317)572-3993orfax(317)572-4002. Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsin printmaynotbeavailableinelectronicformats.FormoreinformationaboutWileyproducts,visit ourwebsiteatwww.wiley.com. LibraryofCongressCataloging-in-PublicationData: Urick,VincentJ.,Jr.(VincentJude),1979- Fundamentalsofmicrowavephotonics/VincentJ.UrickJr.,JasonD.McKinney,KeithJ. Williams. pagescm–(Wileyseriesinmicrowaveandopticalengineering) Includesbibliographicalreferencesandindex. ISBN978-1-118-29320-1(cloth) 1. Microwavecommunicationsystems.2. Photonics.I.McKinney,JasonD.(JasonDwight), 1975-II.Williams,KeithJ.(KeithJake),1964-III.Title. TK5103.4833.U752015 621.36′5–dc23 2014040933 CoverImagecourtesyofiStockphoto©jmcreation. Typesetin11/13ptTimesTenLTStdbyLaserwordsPrivateLimited,Chennai,India PrintedintheUnitedStatesofAmerica 10987654321 1 2015 ForCindy,AmandaandVicki CONTENTS PREFACE xi ACKNOWLEDGMENTS xiii 1 INTRODUCTION 1 1.1 EnablingTechnologicalAdvancesandBenefits ofFiberOpticLinks 6 1.2 AnalogVersusDigitalFiberOpticLinks 13 1.3 BasicFiberOpticComponents 18 1.4 AnalogLinksWithinRFSystems 27 References 28 2 ANALOG PERFORMANCE METRICS 33 2.1 TheScatteringMatrix 34 2.2 NoiseFigure 36 2.3 DynamicRange 39 2.3.1 CompressionDynamicRange 39 2.3.2 Spurious-FreeDynamicRange 43 vii viii CONTENTS 2.4 CascadeAnalysis 52 References 54 3 SOURCES OF NOISE IN FIBER OPTIC LINKS 57 3.1 BasicConcepts 58 3.2 ThermalNoise 62 3.3 ShotNoise 69 3.4 Lasers 74 3.5 OpticalAmplifiers 93 3.5.1 Erbium-DopedFiberAmplifiers 94 3.5.2 RamanandBrillouinFiberAmplifiers 108 3.5.3 SemiconductorOpticalAmplifiers 112 3.6 Photodetection 113 References 117 4 DISTORTION IN FIBER OPTIC LINKS 124 4.1 Introduction 124 4.2 DistortioninElectrical-to-OpticalConversion 130 4.3 OpticalAmplifierDistortion 134 4.4 PhotodetectorDistortion 138 4.4.1 PhotodetectorDistortionMeasurementSystems 141 4.4.2 PhotodetectorNonlinearMechanisms 144 References 161 5 PROPAGATION EFFECTS 166 5.1 Introduction 166 5.2 DoubleRayleighScattering 168 5.3 RFPhaseinFiberOpticLinks 170 5.4 ChromaticDispersion 173 5.5 StimulatedBrillouinScattering 184 5.6 StimulatedRamanScattering 190 5.7 Cross-PhaseModulation 193 5.8 Four-WaveMixing 198 5.9 PolarizationEffects 200 References 205
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